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赵光头瞳色骤亮：明白了。Advanced Mathematics (3rd Edition of Peking University): I don't read much books on linear algebra. I studied advanced mathematics when I was in school, but it doesn't matter. Just look at the first five chapters. Cooperate with the corresponding video and master the relevant knowledge of matrix and determinant.Not good-looking... AbandonedPS: Many forums have seen beginners ask whether WCF still needs to learn in depth, because they think these technologies may be outdated. Maybe Microsoft will launch a new SOA implementation scheme at that time. Wouldn't it be a waste of time to learn in depth, so they feel that there is no need to learn in depth and just know how to use them. I had the same feeling about this problem before, but now I think that although WCF technology may be replaced, the key to understanding a technology in depth is not to know some more advanced API calls, but to understand its implementation mechanism and way of thinking. Even if the latter technology is replaced, the mechanism behind it is definitely similar. Therefore, if you have a thorough understanding of a technology, you will feel familiar with the new technology and relaxed about it. In addition, after you have a thorough understanding of a technology, you dare to say that you have mastered the technology well during the interview, instead of saying that you use it a lot at ordinary times. Once you ask deeply, you do not know the implementation principle behind it. This is also why I want to write WCF series. I hope this opinion is helpful to some beginners.The murder of young actress Amanda Delaney starts an investigation that uncovers on-screen tensions, a complex private life, controversial memoirs, and suspected abuse.As I have already said in the part of making the frame, the sub-conclusions contained in the frame structure should be summarized into two to four. At the same time, it is necessary to ensure that these two to four sub-conclusions (bases) revolve around the main argument and try to achieve MECE. The third layer does not need to pay too much attention to MECE, but the requirements of the framework structure are different. Once there is a major omission in the part directly supporting the claim, the persuasion will disappear instantly. On the other hand, as long as we fully think about building a framework structure to make the "pillar" as stable as Mount Tai, the firmness of logic can also be guaranteed. As far as impression is concerned, 89% MECE is enough.